pscl is an R package providing classes and methods for
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Bayesian analysis of roll call data (item-response models)
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elementary Bayesian statistics
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maximum likelihood estimation of zero-inflated and hurdle models for count data
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utility functions
Most users should use latest stable release of the packge, which can be installed from CRAN by running
install.packages("pscl")The development version can be installed directly from GitHub by running
install.packages("devtools") ## if not already installed
library(devtools)
install_github("atahk/pscl")